| LAVERY, Andrew Charles ACTIVE | Director | 01 Aug 2023 | | England | April 1964 | Estate Office, King's Road, Marazion, Cornwall, TR17 0EL |
| ST AUBYN, Alice Constance ACTIVE | Director | 14 Feb 2025 | | United Kingdom | May 1992 | Estate Office, King's Road, Marazion, Cornwall, TR17 0EL |
| ST AUBYN, Felix John ACTIVE | Director | 03 Nov 2017 | | United Kingdom | January 1992 | Estate Office, King's Road, Marazion, Cornwall, TR17 0EL |
| ST AUBYN, Hugh James ACTIVE | Director | 03 Nov 2017 | | England | June 1983 | Estate Office, King's Road, Marazion, Cornwall, TR17 0EL |
| ST LEVAN, James Piers Southwell, Lord ACTIVE | Director | | | England | June 1950 | Estate Office, King's Road, Marazion, Cornwall, TR17 0EL, England |
| SWEETLAND, Sara Kay ACTIVE | Director | 01 Oct 2023 | | England | January 1964 | Estate Office, King's Road, Marazion, Cornwall, TR17 0EL |
| BARTLE, Owen RESIGNED | Secretary | | 30 Mar 1998 | | | Manor Office, Marazion, Penzance, Cornwall, TR17 0EF |
| BURNETT, Nigel John RESIGNED | Secretary | 02 Oct 2000 | 31 Jan 2005 | | | Morrab House, Fore Street, Grampound Road, Truro, Cornwall, TR2 4DS |
| HARVEY, Nicholas John RESIGNED | Secretary | 04 Mar 2005 | 24 Apr 2015 | | | Estate Office, King's Road, Marazion, Cornwall, TR17 0EL, England |
| WILLS, Paul Andrew RESIGNED | Secretary | 30 Mar 1998 | 31 Aug 2000 | | | The Paddock, Fletchersbridge, Bodmin, Cornwall, PL30 4AN |
| ABERNETHY, Robert Mark RESIGNED | Director | 05 Feb 2009 | 30 Jun 2014 | United Kingdom | March 1972 | Estate Office, King's Road, Marazion, Cornwall, TR17 0EL, England |
| BURNETT, Nigel John RESIGNED | Director | 02 Oct 2000 | 31 Jan 2005 | | September 1953 | Morrab House, Fore Street, Grampound Road, Truro, Cornwall, TR2 4DS |
| HAWARD, Jonathan Ayton RESIGNED | Director | 27 Jul 2015 | 15 Apr 2022 | United Kingdom | January 1959 | Estate Office, King's Road, Marazion, Cornwall, TR17 0EL |
| LAMOND, Niamh Mary RESIGNED | Director | 22 Apr 2015 | 11 Aug 2023 | England | March 1963 | Estate Office, King's Road, Marazion, Cornwall, TR17 0EL |
| MARSHALL, Keith RESIGNED | Director | 30 Jun 2017 | 01 Oct 2020 | England | January 1964 | Estate Office, King's Road, Marazion, Cornwall, TR17 0EL |
| SLACK, Jessica Rosemary RESIGNED | Director | 07 May 2015 | 30 Jun 2017 | England | August 1979 | Estate Office, King's Road, Marazion, Cornwall, TR17 0EL |
| ST AUBYN, Nicholas Francis RESIGNED | Director | | 01 Jun 1992 | | November 1955 | Trenowth House, Grampound Road, Truro, Cornwall, TR2 4EH |
| ST AUBYN, Oliver Piers, The Hon RESIGNED | Director | | 24 May 2006 | | July 1920 | Hogus House, Ludgvan, Penzance, Cornwall, TR20 8EZ |
| ST LEVAN, John Francis Arthur, The Rt Hon RESIGNED | Director | | 07 Apr 2013 | United Kingdom | February 1919 | Estate Office, King's Road, Marazion, Cornwall, TR17 0EL, England |
| ST LEVAN, Mary Caroline, Lady RESIGNED | Director | 03 Jun 2003 | 31 Oct 2025 | United Kingdom | November 1954 | Estate Office, King's Road, Marazion, Cornwall, TR17 0EL, England |
| THOMAS, Archelaus Joseph Harvey RESIGNED | Director | 02 Aug 2019 | 31 Mar 2024 | England | August 1985 | Estate Office, King's Road, Marazion, Cornwall, TR17 0EL |
| VAN DE VELDE, Ramon RESIGNED | Director | 05 May 2015 | 28 Jun 2019 | England | July 1975 | Estate Office, King's Road, Marazion, Cornwall, TR17 0EL |
| WILLS, Paul Andrew RESIGNED | Director | 01 Apr 1995 | 31 Aug 2000 | | August 1964 | The Paddock, Fletchersbridge, Bodmin, Cornwall, PL30 4AN |
| WOODFIELD, Patricia Ann RESIGNED | Director | 27 Jan 2015 | 30 Apr 2015 | England | October 1963 | Estate Office, King's Road, Marazion, Cornwall, TR17 0EL |